Function findVFSWith

lib/internal/vfs/setup.js:126–138

(filename, syscall, fn)

// Sync read: check exists first, fall through to ENOENT for mounted VFS.
function findVFSWith(filename, syscall, fn) {
  const normalized = resolve(filename);
  for (let i = 0; i < activeVFSList.length; i++) {
    const vfs = activeVFSList[i];
    if (vfs.shouldHandle(normalized)) {
      if (vfs.existsSync(normalized)) {
        return fn(vfs, normalized);
      }
      throw createENOENT(syscall, filename);
    }
  }
  return undefined;
}

function vfsRead(path, syscall, fn) {
  const pathStr = toPathStr(path);